Once one of the world's most powerful travel documents, the might of the US passport has shriveled under the cloud of coronavirus, with doors slammed shut across the planet to American travelers.
원문출처 : https://www.cnn.com/travel/article/us-international-travel-covid-19/index.html
원문출처 : https://www.cnn.com/travel/article/us-international-travel-covid-19/index.html